\chapter{代码示例}

\begin{lstlisting}[style=swustsql]
  CREATE TABLE `block_checksum` (
  	`id` bigint(20) NOT NULL,
  	`checksum` bigint(20) NOT NULL,
  	`sha1` varchar(256) NOT NULL,
	PRIMARY KEY (`id`)
  ) ENGINE=InnonDB DEFAULT CHARSET=utf8;
\end{lstlisting}
